package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class LoginDemo {
    public static void main(String[] args) {
        try(Connection connection = DBUtil.getConnection();) {
            Statement statement = connection.createStatement();
            Scanner sc = new Scanner(System.in);
            System.out.println("请输入用户名");
            String username = sc.next();
            System.out.println("请输入密码");
            String password = sc.next();
            String sql = "SELECT username,password,nickname,age " +
                    "FROM user " +
                    "WHERE username = '"+username+"' AND password = '"+password+"'";
           ResultSet rs = statement.executeQuery(sql);
            if(rs.next()){
                System.out.println("登录成功");
            }else{
                System.out.println("登录失败");
            }


        }catch(SQLException e){
            e.printStackTrace();
        }
    }
}
